🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.82 AU - 1.28 AU

Year: 410 Days

Day: 39.3 Hours

Environment

Temp: 1 °C

Axial Tilt: 26.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 50,433,319 km

• M1: 547,977 km (0.034 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.06 AU - 1.44 AU

Year: 532 Days

Day: 19.7 Hours

Environment

Temp: -40 °C

Axial Tilt: 20.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.73 AU - 1.73 AU

Year: 866 Days

Day: 26.2 Hours

Environment

Temp: -72 °C

Axial Tilt: 29.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 50,433,319 km

• M1: 30,368 km (0.115 R)
• M2: 522,246 km (0.035 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.99 AU - 2.97 AU

Year: 1487 Days

Day: 32.3 Hours

Environment

Temp: -102 °C

Axial Tilt: 36.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.69 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.3

Radius: 15

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.09 AU - 5.69 AU

Year: 4118 Days

Day: 6.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,433,319 km

• M1: 197,619 km (0.077 R)
• M2: 749,336 km (0.091 R)
• M3: 1,292,675 km (0.078 R)
• M4: 2,105,889 km (0.092 R)
• M5: 3,171,774 km (0.041 R)
• M6: 4,023,734 km (0.109 R)
• M7: 4,619,283 km (0.084 R)
• M8: 5,690,105 km (0.074 R)
• M9: 7,105,749 km (0.065 R)
• M10: 8,817,298 km (0.078 R)
• M11: 10,422,184 km (0.117 R)
• M12: 10,956,548 km (0.066 R)
• M13: 12,035,597 km (0.108 R)
• M14: 12,670,192 km (0.085 R)
• M15: 19,430,071 km (0.055 R)
• M16: 23,364,046 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.7

Radius: 9.8

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 5.28 AU - 7.38 AU

Year: 6065 Days

Day: 11.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,433,319 km

• M1: 121,922 km (0.03 R)
• M2: 872,305 km (0.12 R)
• M3: 1,212,940 km (0.071 R)
• M4: 1,520,962 km (0.047 R)
• M5: 2,584,453 km (0.068 R)
• M6: 2,987,021 km (0.088 R)
• M7: 3,431,326 km (0.067 R)
• M8: 4,377,234 km (0.063 R)
• M9: 4,897,834 km (0.106 R)
• M10: 6,252,443 km (0.108 R)
• M11: 8,492,073 km (0.117 R)
• M12: 8,931,741 km (0.115 R)
• M13: 10,937,699 km (0.05 R)
• M14: 11,458,599 km (0.025 R)
• M15: 14,037,965 km (0.099 R)
• M16: 16,119,320 km (0.112 R)
• M17: 17,360,534 km (0.103 R)
• M18: 18,004,403 km (0.115 R)
• M19: 18,798,169 km (0.074 R)
• M20: 19,546,009 km (0.109 R)
• M21: 22,584,940 km (0.042 R)
• M22: 23,430,168 km (0.107 R)
• M23: 26,512,483 km (0.114 R)
• M24: 27,452,855 km (0.046 R)
• M25: 29,039,490 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.5

Radius: 9.1

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 7.74 AU - 10.18 AU

Year: 10213 Days

Day: 6.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,433,319 km

• M1: 113,246 km (0.109 R)
• M2: 991,684 km (0.081 R)
• M3: 1,516,773 km (0.045 R)
• M4: 1,825,992 km (0.085 R)
• M5: 2,559,470 km (0.03 R)
• M6: 3,570,303 km (0.095 R)
• M7: 6,755,541 km (0.062 R)
• M8: 7,323,863 km (0.108 R)
• M9: 7,794,647 km (0.08 R)
• M10: 8,218,757 km (0.118 R)
• M11: 10,418,744 km (0.116 R)
• M12: 10,933,959 km (0.097 R)
• M13: 11,424,490 km (0.046 R)
• M14: 13,120,780 km (0.071 R)
• M15: 17,608,717 km (0.063 R)
• M16: 18,511,540 km (0.085 R)
• M17: 19,150,023 km (0.075 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.3

Radius: 12

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 8.11 AU - 13.07 AU

Year: 13123 Days

Day: 5.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,433,319 km

• M1: 149,299 km (0.084 R)
• M2: 569,818 km (0.089 R)
• M3: 1,172,399 km (0.111 R)
• M4: 1,923,679 km (0.091 R)
• M5: 2,655,213 km (0.082 R)
• M6: 4,147,152 km (0.089 R)
• M7: 5,140,033 km (0.103 R)
• M8: 6,977,693 km (0.036 R)
• M9: 7,425,440 km (0.096 R)
• M10: 8,067,215 km (0.098 R)
• M11: 10,216,188 km (0.1 R)
• M12: 11,618,967 km (0.117 R)
• M13: 12,425,599 km (0.078 R)
• M14: 13,579,597 km (0.092 R)
• M15: 14,936,749 km (0.114 R)
• M16: 17,768,936 km (0.101 R)
• M17: 18,995,938 km (0.101 R)
• M18: 19,791,050 km (0.086 R)
• M19: 22,485,158 km (0.117 R)
• M20: 24,288,112 km (0.042 R)
• M21: 28,693,620 km (0.097 R)
• M22: 31,029,890 km (0.094 R)
• M23: 32,920,059 km (0.119 R)
• M24: 33,605,217 km (0.112 R)
• M25: 42,989,791 km (0.12 R)
• M26: 44,221,579 km (0.059 R)
• M27: 46,042,185 km (0.113 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 14,121 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit